/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-17.i


--------------------------------------------------------------------------------


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-05 23:57:52,178 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 23:57:52,254 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-05 23:57:52,260 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 23:57:52,260 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 23:57:52,291 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 23:57:52,291 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 23:57:52,292 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 23:57:52,293 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 23:57:52,294 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 23:57:52,294 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 23:57:52,295 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 23:57:52,296 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 23:57:52,297 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 23:57:52,297 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 23:57:52,297 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 23:57:52,298 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 23:57:52,298 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 23:57:52,298 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 23:57:52,298 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 23:57:52,299 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 23:57:52,302 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 23:57:52,303 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 23:57:52,303 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 23:57:52,303 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 23:57:52,303 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 23:57:52,303 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 23:57:52,304 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 23:57:52,304 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 23:57:52,304 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 23:57:52,304 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 23:57:52,305 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 23:57:52,305 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 23:57:52,305 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 23:57:52,305 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 23:57:52,306 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 23:57:52,306 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 23:57:52,307 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 23:57:52,307 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 23:57:52,307 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 23:57:52,307 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 23:57:52,308 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 23:57:52,308 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 23:57:52,308 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 23:57:52,308 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-05 23:57:52,539 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 23:57:52,557 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 23:57:52,561 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 23:57:52,562 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 23:57:52,562 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 23:57:52,563 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-17.i
[2024-11-05 23:57:53,936 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 23:57:54,159 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 23:57:54,161 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-17.i
[2024-11-05 23:57:54,172 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163033e70/b98e1fae11da4ef5b2e7118bea5d4e50/FLAG7ef073150
[2024-11-05 23:57:54,505 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163033e70/b98e1fae11da4ef5b2e7118bea5d4e50
[2024-11-05 23:57:54,509 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 23:57:54,511 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 23:57:54,513 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 23:57:54,513 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 23:57:54,518 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 23:57:54,519 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,520 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533c05b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54, skipping insertion in model container
[2024-11-05 23:57:54,520 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,552 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 23:57:54,740 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-17.i[915,928]
[2024-11-05 23:57:54,816 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 23:57:54,833 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 23:57:54,848 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-17.i[915,928]
[2024-11-05 23:57:54,883 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 23:57:54,904 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 23:57:54,905 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54 WrapperNode
[2024-11-05 23:57:54,905 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 23:57:54,906 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 23:57:54,906 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 23:57:54,906 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 23:57:54,913 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,928 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,960 INFO  L138                Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129
[2024-11-05 23:57:54,960 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 23:57:54,961 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 23:57:54,961 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 23:57:54,961 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 23:57:54,972 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,972 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,976 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,990 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-05 23:57:54,991 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:54,991 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:55,002 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:55,005 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:55,007 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:55,008 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:55,011 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 23:57:55,012 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 23:57:55,012 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 23:57:55,012 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 23:57:55,013 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (1/1) ...
[2024-11-05 23:57:55,021 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 23:57:55,037 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 23:57:55,053 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-05 23:57:55,055 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-05 23:57:55,075 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 23:57:55,075 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 23:57:55,075 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 23:57:55,075 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 23:57:55,075 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 23:57:55,076 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 23:57:55,146 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 23:57:55,148 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 23:57:55,717 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-05 23:57:55,718 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 23:57:55,728 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 23:57:55,729 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 23:57:55,729 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:57:55 BoogieIcfgContainer
[2024-11-05 23:57:55,729 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 23:57:55,731 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 23:57:55,731 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 23:57:55,734 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 23:57:55,734 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:57:54" (1/3) ...
[2024-11-05 23:57:55,735 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd79dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:57:55, skipping insertion in model container
[2024-11-05 23:57:55,735 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:54" (2/3) ...
[2024-11-05 23:57:55,735 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd79dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:57:55, skipping insertion in model container
[2024-11-05 23:57:55,735 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:57:55" (3/3) ...
[2024-11-05 23:57:55,736 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-17.i
[2024-11-05 23:57:55,752 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 23:57:55,752 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 23:57:55,799 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 23:57:55,804 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c1ebb32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 23:57:55,804 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 23:57:55,809 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-05 23:57:55,825 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-05 23:57:55,825 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:57:55,826 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 23:57:55,827 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:57:55,832 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:57:55,833 INFO  L85        PathProgramCache]: Analyzing trace with hash 558496771, now seen corresponding path program 1 times
[2024-11-05 23:57:55,847 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:57:55,847 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938197359]
[2024-11-05 23:57:55,848 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:57:55,848 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:57:55,849 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:57:55,852 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-05 23:57:55,853 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-05 23:57:56,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:57:56,065 INFO  L255         TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 23:57:56,073 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:57:56,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2024-11-05 23:57:56,122 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 23:57:56,122 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:57:56,122 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938197359]
[2024-11-05 23:57:56,123 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [938197359] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 23:57:56,123 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 23:57:56,123 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 23:57:56,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057602749]
[2024-11-05 23:57:56,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 23:57:56,130 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 23:57:56,130 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 23:57:56,152 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 23:57:56,153 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 23:57:56,155 INFO  L87              Difference]: Start difference. First operand  has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-05 23:57:56,181 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 23:57:56,181 INFO  L93              Difference]: Finished difference Result 115 states and 194 transitions.
[2024-11-05 23:57:56,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 23:57:56,183 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119
[2024-11-05 23:57:56,183 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 23:57:56,191 INFO  L225             Difference]: With dead ends: 115
[2024-11-05 23:57:56,191 INFO  L226             Difference]: Without dead ends: 57
[2024-11-05 23:57:56,194 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 23:57:56,199 INFO  L432           NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-05 23:57:56,200 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 23:57:56,214 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-05 23:57:56,230 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-11-05 23:57:56,231 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-05 23:57:56,233 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions.
[2024-11-05 23:57:56,234 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 119
[2024-11-05 23:57:56,235 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 23:57:56,235 INFO  L471      AbstractCegarLoop]: Abstraction has 57 states and 84 transitions.
[2024-11-05 23:57:56,235 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-05 23:57:56,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions.
[2024-11-05 23:57:56,239 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-05 23:57:56,239 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:57:56,240 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 23:57:56,248 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-05 23:57:56,440 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:57:56,441 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:57:56,441 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:57:56,442 INFO  L85        PathProgramCache]: Analyzing trace with hash 640030975, now seen corresponding path program 1 times
[2024-11-05 23:57:56,443 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:57:56,443 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724050155]
[2024-11-05 23:57:56,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:57:56,443 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:57:56,444 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:57:56,445 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-05 23:57:56,447 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-05 23:57:56,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:57:56,600 INFO  L255         TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 23:57:56,608 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:57:56,977 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-05 23:57:56,977 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 23:57:56,977 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:57:56,978 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724050155]
[2024-11-05 23:57:56,978 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [724050155] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 23:57:56,978 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 23:57:56,978 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-05 23:57:56,978 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337827773]
[2024-11-05 23:57:56,979 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 23:57:56,981 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-05 23:57:56,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 23:57:56,982 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-05 23:57:56,982 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-05 23:57:56,982 INFO  L87              Difference]: Start difference. First operand 57 states and 84 transitions. Second operand  has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-05 23:57:57,505 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 23:57:57,505 INFO  L93              Difference]: Finished difference Result 166 states and 247 transitions.
[2024-11-05 23:57:57,514 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-05 23:57:57,515 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119
[2024-11-05 23:57:57,516 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 23:57:57,518 INFO  L225             Difference]: With dead ends: 166
[2024-11-05 23:57:57,518 INFO  L226             Difference]: Without dead ends: 112
[2024-11-05 23:57:57,519 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-05 23:57:57,520 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-05 23:57:57,520 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 264 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-05 23:57:57,521 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2024-11-05 23:57:57,544 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93.
[2024-11-05 23:57:57,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-05 23:57:57,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 137 transitions.
[2024-11-05 23:57:57,548 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 137 transitions. Word has length 119
[2024-11-05 23:57:57,548 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 23:57:57,548 INFO  L471      AbstractCegarLoop]: Abstraction has 93 states and 137 transitions.
[2024-11-05 23:57:57,549 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-05 23:57:57,549 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions.
[2024-11-05 23:57:57,550 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-11-05 23:57:57,551 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:57:57,551 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 23:57:57,559 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-05 23:57:57,755 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:57:57,756 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:57:57,757 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:57:57,757 INFO  L85        PathProgramCache]: Analyzing trace with hash -1847668821, now seen corresponding path program 1 times
[2024-11-05 23:57:57,757 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:57:57,758 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132866435]
[2024-11-05 23:57:57,758 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:57:57,758 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:57:57,758 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:57:57,761 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-05 23:57:57,762 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-05 23:57:57,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:57:57,926 INFO  L255         TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-05 23:57:57,932 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:57:58,400 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked.
[2024-11-05 23:57:58,401 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 23:57:58,843 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.
[2024-11-05 23:57:58,843 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:57:58,844 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132866435]
[2024-11-05 23:57:58,844 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [132866435] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 23:57:58,844 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 23:57:58,844 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14
[2024-11-05 23:57:58,844 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973129883]
[2024-11-05 23:57:58,844 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 23:57:58,845 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-05 23:57:58,845 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 23:57:58,848 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-05 23:57:58,848 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182
[2024-11-05 23:57:58,848 INFO  L87              Difference]: Start difference. First operand 93 states and 137 transitions. Second operand  has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36)
[2024-11-05 23:58:00,658 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 23:58:00,658 INFO  L93              Difference]: Finished difference Result 273 states and 392 transitions.
[2024-11-05 23:58:00,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-05 23:58:00,660 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 120
[2024-11-05 23:58:00,661 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 23:58:00,665 INFO  L225             Difference]: With dead ends: 273
[2024-11-05 23:58:00,665 INFO  L226             Difference]: Without dead ends: 219
[2024-11-05 23:58:00,668 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506
[2024-11-05 23:58:00,669 INFO  L432           NwaCegarLoop]: 70 mSDtfsCounter, 233 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-05 23:58:00,669 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 381 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-05 23:58:00,673 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 219 states.
[2024-11-05 23:58:00,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 161.
[2024-11-05 23:58:00,709 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 161 states, 101 states have (on average 1.2178217821782178) internal successors, (123), 101 states have internal predecessors, (123), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-05 23:58:00,713 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 231 transitions.
[2024-11-05 23:58:00,714 INFO  L78                 Accepts]: Start accepts. Automaton has 161 states and 231 transitions. Word has length 120
[2024-11-05 23:58:00,714 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 23:58:00,714 INFO  L471      AbstractCegarLoop]: Abstraction has 161 states and 231 transitions.
[2024-11-05 23:58:00,715 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36)
[2024-11-05 23:58:00,715 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states and 231 transitions.
[2024-11-05 23:58:00,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-11-05 23:58:00,719 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:58:00,719 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 23:58:00,728 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-05 23:58:00,923 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:58:00,924 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:58:00,924 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:58:00,925 INFO  L85        PathProgramCache]: Analyzing trace with hash 1767240105, now seen corresponding path program 1 times
[2024-11-05 23:58:00,925 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:58:00,925 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864731673]
[2024-11-05 23:58:00,925 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:58:00,926 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:58:00,926 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:58:00,927 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-05 23:58:00,928 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-05 23:58:01,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:58:01,058 INFO  L255         TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 28 conjuncts are in the unsatisfiable core
[2024-11-05 23:58:01,068 INFO  L278         TraceCheckSpWp]: Computing forward predicates...